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  2. Weighted median - Wikipedia

    en.wikipedia.org/wiki/Weighted_median

    The lower weighted median is 2 with partition sums of 0.49 and 0.5, and the upper weighted median is 3 with partition sums of 0.5 and 0.25. In the case of working with integers or non-interval measures, the lower weighted median would be accepted since it is the lower weight of the pair and therefore keeps the partitions most equal. However, it ...

  3. List of NP-complete problems - Wikipedia

    en.wikipedia.org/wiki/List_of_NP-complete_problems

    Feedback arc set [2] [3]: GT8 Graph coloring [2] [3]: GT4 Graph homomorphism problem [3]: GT52 Graph partition into subgraphs of specific types (triangles, isomorphic subgraphs, Hamiltonian subgraphs, forests, perfect matchings) are known NP-complete. Partition into cliques is the same problem as coloring the complement of the given graph.

  4. Median graph - Wikipedia

    en.wikipedia.org/wiki/Median_graph

    The median of three vertices in a tree, showing the subtree formed by the union of shortest paths between the vertices. Every tree is a median graph. To see this, observe that in a tree, the union of the three shortest paths between pairs of the three vertices a, b, and c is either itself a path, or a subtree formed by three paths meeting at a single central node with degree three.

  5. 2-satisfiability - Wikipedia

    en.wikipedia.org/wiki/2-satisfiability

    The median graph representing all solutions to the example 2-satisfiability instance whose implication graph is shown above. The set of all solutions to a 2-satisfiability instance has the structure of a median graph , in which an edge corresponds to the operation of flipping the values of a set of variables that are all constrained to be equal ...

  6. Median algebra - Wikipedia

    en.wikipedia.org/wiki/Median_algebra

    A median graph is an undirected graph in which for every three vertices , , and there is a unique vertex ,, that belongs to shortest paths between any two of , , and . If this is the case, then the operation x , y , z {\displaystyle \langle x,y,z\rangle } defines a median algebra having the vertices of the graph as its elements.

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  8. Medcouple - Wikipedia

    en.wikipedia.org/wiki/Medcouple

    The algorithm then proceeds until the yellow weighted median of row medians is exactly the medcouple, or the number of candidate entries is small enough to perform a selection sort amongst the remaining entries. Putting together these two observations, the fast medcouple algorithm proceeds broadly as follows. [4]: 148

  9. 6 high-fiber foods for weight loss - AOL

    www.aol.com/6-high-fiber-foods-weight-140000073.html

    2. Berries. Thanks to their high-fiber content, fruit can promote weight loss and weight maintenance when part of a balanced diet. One tasty option is berries, including blueberries, raspberries ...